Home / 12,889,550,124,911-17,787,488,684,712-7,036,657,376,942.40

Finding the Fourth Proportional to 12,889,550,124,911, 17,787,488,684,712 and 7,036,657,376,942.40

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Solution

The fourth proportional to 12,889,550,124,911, 17,787,488,684,712 and 7,036,657,376,942.40 is: 9,710,537,781,195.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,889,550,124,911 : 17,787,488,684,712 = 7,036,657,376,942.40 : x
  2. Step 2: Convert to fraction form
    12,889,550,124,911/17,787,488,684,712 = 7,036,657,376,942.40/x
  3. Step 3: Cross multiply
    12,889,550,124,911x = 17,787,488,684,712 × 7,036,657,376,942.40
  4. Step 4: Simplify right side
    12,889,550,124,911x = 125,164,463,470,558,171,839,332,352
  5. Step 5: Solve for x
    x = 125,164,463,470,558,171,839,332,352/12,889,550,124,911
  6. Step 6: Final answer
    x = 9,710,537,781,195.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.